Goss KA-125-M12P Welding and Brazing HVAC Torch Tool Kit for "MC" Acetylene Tanks Professional torch kit used by heating, cooling, refrigeration, repair shops, and industry contractors Includes rear valve torch with "A" hose fittings, precise needle valve control and superior stainless steel valve stems Quality brass regulators with "MC" tank and "A" hose connections give constant and accurate gas flow needed by professionals 3033-1 tip welds up to 3/32-Inchand brazes to up 1-1/4-Inch. 3033-3 tip welds up to 3/16-Inch and brazes up to 1-1/2-Inch. Interchangeable with Turbo Torch style